apps/gui/viewport.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2008 by Jonathan Gordon
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <stdlib.h>
  23 #include "config.h"
  24 #include "lcd.h"
  25 #include "lcd-remote.h"
  26 #include "font.h"
  27 #include "sprintf.h"
  28 #include "string.h"
  29 #include "settings.h"
  30 #include "kernel.h"
  31 #include "system.h"
  32 #include "misc.h"
  33 #include "viewport.h"
  34 #include "statusbar.h"
  35 #include "screen_access.h"
  36 #include "appevents.h"
  37
  38 static int statusbar_enabled = 0;
  39
  40 int viewport_get_nb_lines(struct viewport *vp)
  41 {
  42 #ifdef HAVE_LCD_BITMAP
  43     return vp->height/font_get(vp->font)->height;
  44 #else
  45     (void)vp;
  46     return 2;
  47 #endif
  48 }
  49
  50 static bool showing_bars(enum screen_type screen)
  51 {
  52     bool ignore = statusbar_enabled & VP_SB_IGNORE_SETTING(screen);
  53     if (statusbar_enabled & VP_SB_ONSCREEN(screen))
  54     {
  55 #ifdef HAVE_LCD_BITMAP
  56 #ifdef HAVE_REMOTE_LCD
  57         if (screen == SCREEN_REMOTE)
  58             return global_settings.remote_statusbar || ignore;
  59 #endif
  60         return global_settings.statusbar || ignore;
  61 #else
  62         return true;
  63 #endif
  64     }
  65     return false;
  66 }
  67
  68 void viewport_set_defaults(struct viewport *vp, enum screen_type screen)
  69 {
  70     bool bar_at_top = true;
  71     vp->x = 0;
  72     vp->width = screens[screen].lcdwidth;
  73
  74 #ifdef HAVE_LCD_BITMAP
  75     vp->drawmode = DRMODE_SOLID;
  76     vp->font = FONT_UI; /* default to UI to discourage SYSFONT use */
  77 #ifdef HAVE_REMOTE_LCD
  78     if (screen == SCREEN_REMOTE)
  79         bar_at_top = global_settings.remote_statusbar != STATUSBAR_BOTTOM;
  80     else
  81 #endif
  82         bar_at_top = global_settings.statusbar != STATUSBAR_BOTTOM;
  83
  84     vp->height = screens[screen].lcdheight;
  85     if (bar_at_top && showing_bars(screen))
  86         vp->y = STATUSBAR_HEIGHT;
  87     else
  88         vp->y = 0;
  89 #else
  90     vp->y = 0;
  91 #endif
  92     vp->height = screens[screen].lcdheight - (showing_bars(screen)?STATUSBAR_HEIGHT:0);
  93
  94 #ifdef HAVE_REMOTE_LCD
  95     /* We only need this test if there is a remote LCD */
  96     if (screen == SCREEN_MAIN)
  97 #endif
  98     {
  99 #ifdef HAVE_LCD_COLOR
 100         vp->fg_pattern = global_settings.fg_color;
 101         vp->bg_pattern = global_settings.bg_color;
 102         vp->lss_pattern = global_settings.lss_color;
 103         vp->lse_pattern = global_settings.lse_color;
 104         vp->lst_pattern = global_settings.lst_color;
 105 #elif LCD_DEPTH > 1
 106         vp->fg_pattern = LCD_DEFAULT_FG;
 107         vp->bg_pattern = LCD_DEFAULT_BG;
 108 #endif
 109     }
 110
 111 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 112     if (screen == SCREEN_REMOTE)
 113     {
 114         vp->fg_pattern = LCD_REMOTE_DEFAULT_FG;
 115         vp->bg_pattern = LCD_REMOTE_DEFAULT_BG;
 116     }
 117 #endif
 118 }
 119
 120
 121 int viewportmanager_set_statusbar(int enabled)
 122 {
 123     int old = statusbar_enabled;
 124     statusbar_enabled = enabled;
 125     if (enabled)
 126     {
 127         int i;
 128         FOR_NB_SCREENS(i)
 129         {
 130             if (showing_bars(i))
 131                 gui_statusbar_draw(&statusbars.statusbars[i], true);
 132         }
 133         add_event(GUI_EVENT_ACTIONUPDATE, false, viewportmanager_draw_statusbars);
 134     }
 135     else
 136     {
 137         remove_event(GUI_EVENT_ACTIONUPDATE, viewportmanager_draw_statusbars);
 138     }
 139     return old;
 140 }
 141
 142 void viewportmanager_draw_statusbars(void* data)
 143 {
 144     int i;
 145
 146     FOR_NB_SCREENS(i)
 147     {
 148         if (showing_bars(i))
 149             gui_statusbar_draw(&statusbars.statusbars[i], (bool)data);
 150     }
 151 }
 152
 153 void viewportmanager_statusbar_changed(void* data)
 154 {
 155     (void)data;
 156     statusbar_enabled = 0;
 157     if (global_settings.statusbar != STATUSBAR_OFF)
 158         statusbar_enabled = VP_SB_ONSCREEN(SCREEN_MAIN);
 159 #ifdef HAVE_REMOTE_LCD
 160     if (global_settings.remote_statusbar != STATUSBAR_OFF)
 161         statusbar_enabled |= VP_SB_ONSCREEN(SCREEN_REMOTE);
 162 #endif
 163     viewportmanager_set_statusbar(statusbar_enabled);
 164 }